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Q235B SHS Square Hollow Section Steel Tube GB/T 6728-2017 Structural Steel Tube 40×40-400×400mm
Our Q235B square hollow section (SHS) steel tubes are produced in full compliance with China’s national standard GB/T 6728-2017. The product covers a complete size range, with square side dimensions ranging from 40×40mm to 400×400mm and wall thicknesses from 2.5mm to 16mm.
Widely applicable for conventional steel framing, light structural works, factory building construction and various general engineering & building projects, these square steel tubes feature stable performance and strong practicality.
Standard factory lengths are 6 meters and 12 meters to meet regular engineering demands. Custom cutting service is also provided, with customized maximum length up to 21 meters to cater to diverse on-site construction requirements. -
ASTM A36/A992/A992M/A572 Gr 50 Steel I Beam – High Strength Structural I-Beams for Commercial Construction, Bridges & Industrial Warehouses
ASTM I-beams are steel profiles with a central vertical web and two horizontal flanges. They are extremely strong materials with excellent load-bearing capacity and machinability, and are commonly used in construction, bridges, and industrial applications in the United States.
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ASTM A283 Carbon Steel Plates & Sheets – Durable, Reliable & Cost-Effective Structural Steel
ASTM A283 Steel Plate/Sheet – An economical low-carbon structural steel with good weldability, machinability and formability, suitable for construction and industrial structures bearing light to medium strength loads.
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ASTM A992 Hot Rolled Steel Plate – High Strength Structural Steel for Construction
ASTM A992 (High-Strength Low-Alloy Structural Steel) - Steel plate for buildings, bridges, and industrial projects
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High Strength European H Beam Steel HEA / HEB / HEM – EN S275JR Hot Rolled Structural Profiles
EN H-Beam steel is a structural steel with a European standard wide-flange profile which is widely used in building, bridge and industrial construction due to its high strength and good weather resistance. -
ASTM A53 Steel Square Tube – Industrial, Mechanical & Construction Applications
We manufacture ERW welded and seamless square steel tubing conforming to ASTM A53 standards using superior craftsmanship. These tubings are made from robust and durable carbon steel to meet your structural, mechanical, or industrial needs. We offer custom sizes and three finishes: galvanized, black, or red (black tubing with a red coating on the inner wall) to enhance corrosion resistance and durability.
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ASTM A709 Heavy Steel Plate | Bridge Structural Carbon Steel Plate Supplier
ASTM A709 heavy steel plate is a high-performance structural steel designed for bridge construction and heavy infrastructure projects. It offers excellent strength, toughness, weldability, and, in weathering grades, superior corrosion resistance, making it ideal for long-term structural applications under harsh environments.
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AS/NZS 3679.1 Structural H Beam | Grade 300/350/350L0 | Royal Steel Group
Royal Steel Group is a leading China-based steel structure factory with global reach. We specialise in supplying high-quality AS/NZS 3679.1 Grade 300/350/350L0 structural H-beams, fully compliant with Australian and New Zealand standards. Our products deliver reliable performance and broad application, highly recognised by clients across Australia and New Zealand. For product details or custom solutions, contact our professional team directly.
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ASTM A106 Hot Dip Galvanized Steel Pipe Zinc Coated Seamless & Welded GI Pipe
Hot Dip Galvanized Steel Pipe is the steel pipe which is coated with a layer of zinc by hot dip galvanizing process. The pipe is produced (welded or seamless) and then dipped in molten zinc to create a robust, rust-resistant shield.
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High Pressure API 5L X70 PSL1 PSL2 Seamless Steel Pipe 8 Inch Schedule 40 Carbon Steel Pipe for Pipeline
API steel pipes offer a variety of steel grades (such as Grade B, X42–X80), manufacturing processes (seamless, ERW, LSAW, SSAW), and anti-corrosion coatings (such as 3LPE, FBE, 3PE) to meet the needs of different pressure levels and engineering environments, making them one of the most important basic materials in global pipeline engineering.
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API 5L Grade B Seamless Steel Pipe SCH80 Carbon Steel Pipe Manufacturer for Oil Gas Pipeline
API 5L Grade B Seamless Steel Pipe is a high-strength carbon steel pipe designed for oil, gas, and industrial pipeline applications. Manufactured according to API 5L standards, it offers excellent pressure resistance, durability, and reliable performance in demanding environments. Available in customized sizes, lengths, and surface treatments, it is widely used for petroleum transportation, natural gas pipelines, water systems, and energy projects.
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JIS G3101 SS400 Channel Steel U/C Channel 8# 10# 12# 14# 16#
JIS G3101 SS400 Channel Steel in 8#, 10#, 12#, 14# and 16# metric sizes for steel workshop purlins, equipment supports, light steel structures and machinery bases.
